Breakfast shakes made with blueberries and yogurt are a healthy way to start the day. In this refreshing smoothie, yogurt provides protein as well as calcium and B vitamins. Blueberries rank third as a natural source of antioxidants after prunes and raisins.Martha Stewart Living, April 2002 http://www.marthastewart.com/131030/blueberry-breakfast-shake
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